<script src="../include.js"></script>
<script>
    test(() => {
        try {
            new TransformStream({
                readableType: 'bytes',
            });
        } catch (e) {
            println(`'readableType' => Exception raised of ${e.constructor.name}`);
        }
        try {
            new TransformStream({
                writableType: 'bytes',
            });
        } catch (e) {
            println(`'writableType' => Exception raised of ${e.constructor.name}`);
        }
    });
</script>
